That’s a paraphrase of a famous Bertrand Russell quote. The original is as follows; “The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.”
There’s also the William Butler Yeats corollary; “The best lack all conviction, while the worst are full of passionate intensity.”
To quote someone a lot wiser than myself:
That’s a paraphrase of a famous Bertrand Russell quote. The original is as follows; “The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.”
There’s also the William Butler Yeats corollary; “The best lack all conviction, while the worst are full of passionate intensity.”
“Ignorance is bliss.”